Climate averages 1991–2020
Mazatlán weather
in May.
A hot, very dry month: the joint 3rd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Mazatlán: daytime highs average 30.2°C and nights cool to about 20.7°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical May (the driest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 15 min on an average May day.
The nearest other city in this atlas is Victoria de Durango (200 km away). In May its highs average 29.8°C, about as warm as Mazatlán, with 14 mm of rain.
Among the 153 cities listed in Mexico, Mazatlán ranks joint 77th of 153 for the warmest May highs and 8th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; Mazatlán is 0.6°C warmer than that mean.
From May to June, average highs rise by 1.0°C to 31.2°C, and monthly rainfall rises from under 1 mm to 25 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Mazatlán climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.5°C16.5°C | 16.5°C | 15 | 1.5 | 10.911 h |
| February | 25.9°C16.5°C | 16.5°C | 15 | 1.2 | 11.411 h |
| March | 26.8°C17.0°C | 17.0°C | 3.2 | 0.4 | 12.012 h |
| April | 28.4°C18.3°C | 18.3°C | 0.7 | 0.2 | 12.713 h |
| May, selected | 30.2°C20.7°C | 20.7°C | 0.6 | 0.2 | 13.213 h |
| June | 31.2°C24.2°C | 24.2°C | 25 | 3.1 | 13.514 h |
| July | 30.7°C25.3°C | 25.3°C | 132 | 14.3 | 13.413 h |
| August | 30.2°C25.4°C | 25.4°C | 184 | 18.8 | 12.913 h |
| September | 29.7°C25.1°C | 25.1°C | 205 | 19.0 | 12.312 h |
| October | 29.6°C23.8°C | 23.8°C | 65 | 6.7 | 11.612 h |
| November | 28.1°C20.5°C | 20.5°C | 35 | 2.0 | 11.011 h |
| December | 26.0°C17.6°C | 17.6°C | 9.3 | 1.4 | 10.711 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Victoria de Durango in MayMexico · 200 kmHigh 29.8°C · Low 12.4°C · 14 mm rain
- Culiacán in MayMexico · 202 kmHigh 35.6°C · Low 19.6°C · 1.2 mm rain
- Tepic in MayMexico · 247 kmHigh 30.9°C · Low 16.9°C · 13 mm rain
- Guamúchil in MayMexico · 300 kmHigh 35.4°C · Low 19.3°C · 0.7 mm rain
- Puerto Vallarta in MayMexico · 315 kmHigh 32.2°C · Low 21.5°C · 16 mm rain
- Guasave in MayMexico · 333 kmHigh 34.3°C · Low 19.0°C · 0.5 mm rain
- San José del Cabo in MayMexico · 336 kmHigh 31.2°C · Low 20.6°C · 0.4 mm rain
- Cabo San Lucas in MayMexico · 359 kmHigh 27.7°C · Low 21.2°C · 0.4 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Mazatlán) is explained once on the Mazatlán year overview and on the Sources, method and limits page.